Home / 822,092.96-1,230,038.70-485,316.80

Finding the Fourth Proportional to 822,092.96, 1,230,038.70 and 485,316.80

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Solution

The fourth proportional to 822,092.96, 1,230,038.70 and 485,316.80 is: 726,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,092.96 : 1,230,038.70 = 485,316.80 : x
  2. Step 2: Convert to fraction form
    822,092.96/1,230,038.70 = 485,316.80/x
  3. Step 3: Cross multiply
    822,092.96x = 1,230,038.70 × 485,316.80
  4. Step 4: Simplify right side
    822,092.96x = 596,958,445,760.16
  5. Step 5: Solve for x
    x = 596,958,445,760.16/822,092.96
  6. Step 6: Final answer
    x = 726,144.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.